Day Island (California)

Day Island

USGS aerial imagery of Day Island
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Geography
Location	Northern California
Coordinates	38°06′13″N 122°29′26″W / 38.10361°N 122.49056°W / 38.10361; -122.49056 (Day Island)[1]Coordinates: 38°06′13″N 122°29′26″W / 38.10361°N 122.49056°W / 38.10361; -122.49056 (Day Island)[1]
Adjacent bodies of water	San Pablo Bay
Highest elevation	105 ft (32 m)[1]
Administration
United States
State	California
County	Marin

Day Island is an island at the mouth of the Petaluma River in San Pablo Bay (an embayment of San Francisco Bay).^{[3][4][5][6][7][8]} It is part of Marin County, California.^{[9][10][11][12][13][14][15][16]} Its coordinates are

38°06′13″N 122°29′26″W / 38.10361°N 122.49056°W / 38.10361; -122.49056 (Day Island)^[1], and the United States Geological Survey measured its elevation as 105 ft (32 m) in 1981.^[1] It appears on a 1951 USGS map of the area.^[2] The "1880 History of Marin County" by Alley, Bowen and Co. mentions "a man by name of Day" who "settled on an island in Novato township which has since borne his name" in 1851." To this day, there are still 2 houses on the island, both inhabited.

References[]